
Understanding Significant Figures in Physics
Interactive Video
•
Physics
•
9th - 10th Grade
•
Hard
Evelyn Hayes
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are significant figures important in physics?
They determine the precision of measurements.
They are necessary for converting units.
They help in estimating the cost of experiments.
They are used to calculate the speed of light.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following numbers has four significant figures?
0.0045
4500
100.0
0.04500
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true about zeros in significant figures?
All zeros are always significant.
Zeros between non-zero digits are significant.
Leading zeros are always significant.
Trailing zeros in whole numbers are significant.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the number 0.00060450, how many significant figures are there?
Four
Six
Five
Three
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When adding 3.14 and 2.7, how many decimal places should the result have?
One decimal place
Two decimal places
Three decimal places
No decimal places
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you do if your least exact measurement is a whole number during addition?
Add an extra decimal place
Ignore the whole number
Use the same number of decimal places as the most exact measurement
Round the result to the nearest whole number
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you multiply 7.3 by 8.8, how many significant figures should the result have?
Four
Three
Two
One
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